Merge: gtksourceview: Add the missing `kwnull` context

Renderings for `test_syntax.nit`:
* [Classic](https://github.com/nitlang/nit/files/1148477/gtksourceview-classic.pdf)
* [Kate](https://github.com/nitlang/nit/files/1148476/gtksourceview-kate.pdf)
* [Solarized Clear](https://github.com/nitlang/nit/files/1148474/gtksourceview-solarized-clear.pdf)
* [Tango](https://github.com/nitlang/nit/files/1148475/gtksourceview-tango.pdf)

For comparison, see #2515.

![WHOOPS!!](https://user-images.githubusercontent.com/6044484/28213673-23e5b296-6875-11e7-8a2b-494652afe064.png "WHOOPS!!")

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>

Pull-Request: #2525

diff --git a/misc/gtksourceview/nit.lang b/misc/gtksourceview/nit.lang
index 977c50f..68889e3 100644 (file)
--- a/misc/gtksourceview/nit.lang
+++ b/misc/gtksourceview/nit.lang
@@ -71,6 +71,10 @@
                        <keyword>import</keyword>
                </context>
 
+               <context id="kwnull" style-ref="null-value">
+                       <keyword>null</keyword>
+               </context>
+
                <context id="keyword" style-ref="keyword">
                        <keyword>abort</keyword>
                        <keyword>abstract</keyword>
@@ -355,6 +359,7 @@
                                <context ref="string"/>
                                <context ref="reserved"/>
                                <context ref="kwimport"/>
+                               <context ref="kwnull"/>
                                <context ref="keyword"/>
                                <context ref="builtin-annotation"/>
                                <context ref="boolean"/>